/* ============================================================
   ESSÊNCIA DO REI — Folha de estilos principal
   ============================================================
   Para personalizar a identidade visual, edite apenas
   as variáveis CSS na seção :root abaixo.
   ============================================================ */

/* ============================================================
   1. VARIÁVEIS — edite aqui para trocar cores, fontes, etc.
   ============================================================ */
:root {
  /* Paleta de cores */
  --cor-fundo:           #0f0f0f;
  --cor-fundo-alt:       #181818;
  --cor-superfice:       #1e1e1e;
  --cor-borda:           #2e2e2e;

  --cor-destaque:        #c9a84c;   /* dourado */
  --cor-destaque-escuro: #a07d30;
  --cor-destaque-claro:  #e8c878;

  --cor-texto:           #f0ede8;
  --cor-texto-muted:     #9a9690;
  --cor-texto-card:      #d4d0cb;

  /* Tipografia */
  --fonte-titulo:        'Playfair Display', Georgia, serif;
  --fonte-corpo:         'Inter', system-ui, -apple-system, sans-serif;

  /* Tamanhos de fonte */
  --fs-xs:   0.75rem;    /* 12px */
  --fs-sm:   0.875rem;   /* 14px */
  --fs-base: 1rem;       /* 16px */
  --fs-md:   1.125rem;   /* 18px */
  --fs-lg:   1.25rem;    /* 20px */
  --fs-xl:   1.5rem;     /* 24px */
  --fs-2xl:  2rem;       /* 32px */
  --fs-3xl:  2.5rem;     /* 40px */
  --fs-4xl:  3.5rem;     /* 56px */
  --fs-5xl:  5rem;       /* 80px */

  /* Espaçamentos */
  --spacing-section: 6rem;
  --spacing-section-sm: 4rem;

  /* Navbar */
  --navbar-height: 72px;

  /* Transições */
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;

  /* Border radius */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 16px;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
  font-family: var(--fonte-corpo);
  font-size: var(--fs-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Camadas de ambilight injetadas pelo JS */
.ambilight-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  transition: opacity 1.2s ease;
}

/* Garante que conteúdo fique acima do glow */
main,
footer {
  position: relative;
  z-index: 1;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

ul {
  list-style: none;
}

/* ============================================================
   3. UTILIDADES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* Fade entre seções — ancora de scroll */
.section::before {
  content: '';
  display: block;
  height: 80px;
  margin-top: -80px;
  pointer-events: none;
}

.section {
  padding-block: var(--spacing-section);
  position: relative;
}

/* Garante que conteúdo fique acima do ambilight */
.section > .container {
  position: relative;
  z-index: 1;
}

.section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section__tag {
  display: inline-block;
  font-family: var(--fonte-corpo);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cor-destaque);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--fonte-titulo);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--cor-texto);
  line-height: 1.2;
}

.section__subtitle {
  margin-top: 1rem;
  color: var(--cor-texto-muted);
  font-size: var(--fs-md);
  max-width: 560px;
  margin-inline: auto;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-size: var(--fs-base);
  font-weight: 500;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--cor-destaque);
  outline-offset: 3px;
}

.btn--primary {
  background-color: var(--cor-destaque);
  color: #0f0f0f;
}

.btn--primary:hover {
  background-color: var(--cor-destaque-claro);
  transform: translateY(-2px);
}

.btn--outline {
  border: 1.5px solid var(--cor-destaque);
  color: var(--cor-destaque);
  background-color: transparent;
}

.btn--outline:hover {
  background-color: var(--cor-destaque);
  color: #0f0f0f;
  transform: translateY(-2px);
}

.btn--full {
  width: 100%;
}

/* ============================================================
   4. ANIMAÇÕES DE ENTRADA
   ============================================================ */
.fade-in {
  animation: fadeIn 1s ease both;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   5. NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--navbar-height);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background-color: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--cor-borda);
}

.navbar__container {
  height: 100%;
  padding-inline: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  text-decoration: none;
}

.navbar__logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

.navbar__logo-text {
  font-family: var(--fonte-titulo);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--cor-destaque);
  letter-spacing: 0.02em;
}

.navbar__list {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.navbar__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--cor-texto-muted);
  letter-spacing: 0.04em;
  transition: color var(--transition);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--cor-destaque);
  transition: width var(--transition);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--cor-texto);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__link--cta {
  background-color: transparent;
  border: 1.5px solid var(--cor-destaque);
  color: var(--cor-destaque);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius);
  transition: background-color var(--transition), color var(--transition);
}

.navbar__link--cta::after {
  display: none;
}

.navbar__link--cta:hover {
  background-color: var(--cor-destaque);
  color: #0f0f0f;
}

/* Hamburguer */
.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.navbar__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--cor-texto);
  transition: transform var(--transition), opacity var(--transition);
  border-radius: 2px;
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar__toggle[aria-expanded="true"] .navbar__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   6. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: url('../assets/images/hero/web/DSC_1867.jpg') top center/cover no-repeat;
  opacity: 0.15;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-inline: 1.5rem;
  max-width: 800px;
  animation-delay: 0.2s;
}

.hero__label {
  display: inline-block;
  font-size: var(--fs-lg);
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cor-destaque);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--fonte-titulo);
  font-size: clamp(var(--fs-4xl), 10vw, var(--fs-5xl));
  font-weight: 700;
  line-height: 1.05;
  color: var(--cor-texto);
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

.hero__logo {
  max-width: min(420px, 70vw);
  height: auto;
  filter: drop-shadow(0 4px 24px rgba(0,0,0,0.5));
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: var(--cor-texto-muted);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.hero__scroll-hint:hover {
  opacity: 1;
}

.hero__scroll-arrow {
  display: block;
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--cor-destaque);
  border-bottom: 2px solid var(--cor-destaque);
  transform: rotate(45deg);
  animation: bounce 2s ease infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(6px); }
}

/* ============================================================
   7. SOBRE
   ============================================================ */
.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.sobre__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sobre__image-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(201, 168, 76, 0.2);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.sobre__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  display: block;
}

.sobre__content .section__tag {
  display: block;
  margin-bottom: 0.5rem;
}

.sobre__content .section__title {
  margin-bottom: 1.5rem;
}

.sobre__text {
  color: var(--cor-texto-muted);
  font-size: var(--fs-md);
  margin-bottom: 1rem;
  text-align: justify;
}

.sobre__text--destaque {
  color: var(--cor-destaque-claro);
  font-style: italic;
  border-left: 2px solid var(--cor-destaque);
  padding-left: 1rem;
  margin-top: 1.5rem;
}

.sobre__stats {
  display: flex;
  gap: 2rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--cor-borda);
}

.sobre__stats .stat {
  flex: 1;
  min-width: 0;
}

.stat__number {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--cor-destaque);
  line-height: 1;
}

.stat__label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--cor-texto-muted);
  margin-top: 0.25rem;
}

/* ============================================================
   8. MÚSICAS
   ============================================================ */
.musicas__player {
  max-width: 740px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.musicas__embed-wrap {
  position: relative;
  border-radius: calc(var(--radius-lg) + 3px);
  padding: 2px;
  background: linear-gradient(
    135deg,
    rgba(201, 168, 76, 0.55) 0%,
    rgba(201, 168, 76, 0.10) 50%,
    rgba(201, 168, 76, 0.55) 100%
  );
  box-shadow:
    0 0 48px rgba(201, 168, 76, 0.14),
    0 12px 40px rgba(0, 0, 0, 0.55);
}

.musicas__embed-wrap::before {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: var(--radius-lg);
  background: #111;
  z-index: 0;
}

.musicas__embed {
  position: relative;
  z-index: 1;
  border-radius: var(--radius-lg);
  border: none;
  display: block;
}

.musicas__actions {
  display: flex;
  justify-content: center;
}

.musicas__yt-btn svg {
  flex-shrink: 0;
}

.musica-card {
  background-color: var(--cor-superfice);
  border: 1px solid var(--cor-borda);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}

.musica-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  border-color: rgba(201, 168, 76, 0.3);
}

.musica-card__thumb {
  position: relative;
  overflow: hidden;
}

.musica-card__thumb img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.musica-card:hover .musica-card__thumb img {
  transform: scale(1.06);
}

.musica-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.musica-card:hover .musica-card__overlay {
  opacity: 1;
}

.musica-card__play {
  width: 52px;
  height: 52px;
  fill: var(--cor-destaque);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

.musica-card__info {
  padding: 1.25rem;
}

.musica-card__title {
  font-family: var(--fonte-titulo);
  font-size: var(--fs-lg);
  color: var(--cor-texto);
  margin-bottom: 0.25rem;
}

.musica-card__album {
  font-size: var(--fs-sm);
  color: var(--cor-texto-muted);
  margin-bottom: 1rem;
}

.musica-card__links {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.musica-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  font-weight: 500;
  transition: background-color var(--transition), transform var(--transition);
}

.musica-card__btn svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  flex-shrink: 0;
}

.musica-card__btn:hover {
  transform: translateY(-1px);
}

.musica-card__btn--yt {
  background-color: rgba(255, 0, 0, 0.15);
  color: #ff4444;
  border: 1px solid rgba(255, 0, 0, 0.25);
}

.musica-card__btn--yt:hover {
  background-color: rgba(255, 0, 0, 0.25);
}

.musica-card__btn--sp {
  background-color: rgba(30, 215, 96, 0.1);
  color: #1ed760;
  border: 1px solid rgba(30, 215, 96, 0.2);
}

.musica-card__btn--sp:hover {
  background-color: rgba(30, 215, 96, 0.2);
}

/* ============================================================
   9. GALERIA
   ============================================================ */
.galeria__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.galeria__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--cor-borda);
  cursor: pointer;
  background: none;
  padding: 0;
  display: block;
  aspect-ratio: 1 / 1;
}

.galeria__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-slow);
}

.galeria__item:hover img {
  transform: scale(1.06);
}

.galeria__item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

.galeria__item:hover .galeria__item-overlay,
.galeria__item:focus-visible .galeria__item-overlay {
  opacity: 1;
}

.galeria__item-overlay svg {
  width: 36px;
  height: 36px;
  fill: var(--cor-destaque);
}

.galeria__item:focus-visible {
  outline: 2px solid var(--cor-destaque);
  outline-offset: 3px;
}

.galeria__loading,
.galeria__empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--cor-texto-muted);
  font-size: var(--fs-md);
  padding: 3rem 0;
}

/* ============================================================
   10. LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__content {
  max-width: min(90vw, 960px);
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox__img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cor-texto);
  transition: background-color var(--transition), transform var(--transition);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(201, 168, 76, 0.2);
  transform: scale(1.1);
}

.lightbox__close svg,
.lightbox__prev svg,
.lightbox__next svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.lightbox__close {
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox__prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__prev:hover {
  transform: translateY(-50%) scale(1.1);
}

.lightbox__next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next:hover {
  transform: translateY(-50%) scale(1.1);
}

.lightbox__counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--fs-sm);
  color: var(--cor-texto-muted);
}

/* ============================================================
   11. CONTATO
   ============================================================ */
.contato__grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  align-items: start;
}

.contato__form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__group--submit {
  margin-top: 0.5rem;
  align-items: flex-start;
  flex-direction: row;
  gap: 0.75rem;
}

.btn--send {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn--send svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

.btn--whatsapp {
  background-color: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.4);
  color: #25d366;
}

.btn--whatsapp:hover {
  background-color: rgba(37, 211, 102, 0.22);
  border-color: #25d366;
  color: #25d366;
}

@media (max-width: 480px) {
  .form__group--submit {
    flex-direction: column;
    align-items: center;
  }

  .btn--send {
    width: 100%;
    max-width: 300px;
  }
}

.form__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--cor-texto-muted);
}

.form__label span {
  color: var(--cor-destaque);
}

.form__input {
  background-color: var(--cor-superfice);
  border: 1px solid var(--cor-borda);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--cor-texto);
  font-family: var(--fonte-corpo);
  font-size: var(--fs-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form__input::placeholder {
  color: var(--cor-texto-muted);
  opacity: 0.6;
}

.form__input:focus {
  outline: none;
  border-color: var(--cor-destaque);
  box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

.form__input.invalid {
  border-color: #e05252;
  box-shadow: 0 0 0 3px rgba(224, 82, 82, 0.12);
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239a9690'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 20px;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form__select option {
  background-color: var(--cor-superfice);
  color: var(--cor-texto);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__error {
  font-size: var(--fs-xs);
  color: #e05252;
  min-height: 1em;
}

.form__note {
  grid-column: 1 / -1;
  font-size: var(--fs-sm);
  color: var(--cor-texto-muted);
  text-align: center;
}

.form__note a {
  color: var(--cor-destaque);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Redes sociais */
.contato__redes-title {
  font-family: var(--fonte-titulo);
  font-size: var(--fs-xl);
  margin-bottom: 1.5rem;
  color: var(--cor-texto);
}

.social-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.875rem 1rem;
  background-color: var(--cor-superfice);
  border: 1px solid var(--cor-borda);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--cor-texto-muted);
  transition: border-color var(--transition), color var(--transition),
              background-color var(--transition), transform var(--transition);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.social-link:hover {
  border-color: var(--cor-destaque);
  color: var(--cor-destaque);
  background-color: rgba(201, 168, 76, 0.06);
  transform: translateX(4px);
}

/* ============================================================
   12. BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(201, 168, 76, 0.12);
  border: 1px solid rgba(201, 168, 76, 0.35);
  color: var(--cor-destaque);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, visibility 0.3s ease,
              transform 0.3s ease, background-color var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: rgba(201, 168, 76, 0.22);
  border-color: var(--cor-destaque);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* ============================================================
   13. FOOTER
   ============================================================ */
.footer {
  background-color: #080808;
  border-top: 1px solid var(--cor-borda);
  padding-block: 2rem;
}

.footer__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__brand {
  font-family: var(--fonte-titulo);
  font-size: var(--fs-md);
  color: var(--cor-destaque);
  font-weight: 700;
}

.footer__copy {
  font-size: var(--fs-sm);
  color: var(--cor-texto-muted);
}

.footer__dev {
  font-size: var(--fs-xs);
  color: var(--cor-texto-muted);
  opacity: 0.5;
  margin-top: 0.5rem;
}

.footer__dev ♥ {
  color: #e05555;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cor-texto-muted);
  border-radius: 50%;
  border: 1px solid var(--cor-borda);
  transition: color var(--transition), border-color var(--transition),
              background-color var(--transition);
}

.footer__social a:hover {
  color: var(--cor-destaque);
  border-color: var(--cor-destaque);
  background-color: rgba(201, 168, 76, 0.08);
}

.footer__social svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* ============================================================
   13. RESPONSIVIDADE
   ============================================================ */

/* Desktop — acima de 1024px */
@media (min-width: 1025px) {
  .hero__label {
    font-size: var(--fs-xl);
  }
}

/* Tablet — até 1024px */
@media (max-width: 1024px) {
  :root {
    --spacing-section: 5rem;
  }

  .sobre__grid {
    gap: 2.5rem;
  }

  .contato__grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contato__info {
    order: -1;
  }

  .social-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile largo — até 768px */
@media (max-width: 768px) {
  :root {
    --spacing-section: 4rem;
    --navbar-height: 64px;
  }

  /* Hero: foto diferente em portrait para melhor composição */
  .hero__overlay {
    background-image: url('../assets/images/galeria/full/IVI_9523.jpg');
    background-position: top center;
    background-size: cover;
    opacity: 0.2;
  }

  /* Navbar mobile */
  .navbar__toggle {
    display: flex;
  }

  .navbar__nav {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background-color: rgba(15, 15, 15, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1.5rem;
    border-bottom: 1px solid var(--cor-borda);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition),
                visibility var(--transition);
  }

  .navbar__nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .navbar__link--cta {
    align-self: flex-start;
  }

  /* Sobre */
  .sobre__grid {
    grid-template-columns: 1fr;
  }

  .sobre__image-wrap {
    order: -1;
  }

  .sobre__image {
    max-height: 420px;
    object-fit: cover;
    object-position: center top;
  }

  /* Galeria */
  .galeria__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Formulário */
  .contato__form {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer__container {
    flex-direction: column;
    text-align: center;
  }
}

/* Mobile pequeno — até 480px */
@media (max-width: 480px) {
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .sobre__stats {
    gap: 0.75rem;
  }

  .sobre__stats .stat__number {
    font-size: var(--fs-xl);
  }

  .sobre__stats .stat__label {
    font-size: 0.65rem;
  }

  .galeria__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .musicas__grid {
    grid-template-columns: 1fr;
  }

  .section__title {
    font-size: var(--fs-2xl);
  }

  .lightbox__prev {
    left: 0.75rem;
  }
  .lightbox__next {
    right: 0.75rem;
  }
}